Question and response
Question
dig _spf.facebook.com. TXT
Answer
_spf.facebook.com. 3600 TXT "v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25" " ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0